diff --git a/app/tests/backend/lib/s3upload.test.ts b/app/tests/backend/lib/s3upload.test.ts
new file mode 100644
index 000000000..8625c7ab9
--- /dev/null
+++ b/app/tests/backend/lib/s3upload.test.ts
@@ -0,0 +1,62 @@
+/**
+ * @jest-environment node
+ */
+import { mocked } from 'jest-mock';
+import request from 'supertest';
+import express from 'express';
+import session from 'express-session';
+import crypto from 'crypto';
+import s3upload from 'backend/lib/s3upload';
+import getAuthRole from '../../../utils/getAuthRole';
+
+jest.mock('../../../backend/lib/graphql');
+jest.mock('../../../utils/getAuthRole');
+
+jest.mock('../../../backend/lib/s3client', () => {
+  return {
+    s3ClientV3: jest.fn().mockImplementation(() => {}),
+    uploadFileToS3: () => {
+      return new Promise((resolve) => {
+        resolve(true);
+      });
+    },
+  };
+});
+
+jest.setTimeout(10000000);
+
+describe('The s3 download', () => {
+  let app;
+
+  beforeEach(async () => {
+    app = express();
+    app.use(session({ secret: crypto.randomUUID(), cookie: { secure: true } }));
+    app.use('/', s3upload);
+  });
+
+  it('should receive the correct response for unauthorized user', async () => {
+    mocked(getAuthRole).mockImplementation(() => {
+      return {
+        pgRole: 'ccbc_guest',
+        landingRoute: '/',
+      };
+    });
+
+    const response = await request(app).get('/api/s3/download/test/test');
+    expect(response.status).toBe(404);
+  });
+
+  it('should receive the correct response for auth user', async () => {
+    mocked(getAuthRole).mockImplementation(() => {
+      return {
+        pgRole: 'ccbc_auth_user',
+        landingRoute: '/',
+      };
+    });
+
+    const response = await request(app).post('/api/s3/upload');
+    expect(response.status).toBe(200);
+  });
+
+  jest.resetAllMocks();
+});